Natural gas hydrogenation low-nitrogen combustion device

The invention discloses a natural gas hydrogenation low-nitrogen combustion device. The natural gas hydrogenation low-nitrogen combustion device comprises a hydrogen and water steam generator, a steam-water separation device and a combustion engine, wherein the combustion engine comprises a machine case, a draught fan and an air guiding cylinder, a porous disc and a hydrogen and water steam mixedgas pipeline are arranged in the air guiding cylinder, one end of the hydrogen and water steam mixed gas pipeline runs out through the center of the porous disc and is connected with a mixed gas nozzle, a plurality of natural gas pipelines are distributed around the hydrogen and water steam mixed gas pipeline, the natural gas pipelines pass through the edge or the interior of the porous disc and are connected with the natural gas nozzle, the air guiding cylinder receives combustion-supporting air generated by the draught fan and sprays the combustion-supporting air out of the porous disc, andin the forward moving dire